The objective of this study was to compare
the treatment efficacy of O3 insufflation via latex free
syringe in different doses (30-60-70 μg/mL) and high
dose O3 insufflation (70 μg/mL) with combination of
antibiotic (intramuscularly) and only antibiotic treatment
(intramuscularly) in dairy cows with clinical mastitis
clinical symptoms of systemic infection (watery milk,
anorexia, decreased milk yield).